Animals bridges, which may moreover be known as ecoductsor wildlife crossings, are components that permit animals to securely cross human-made obstacle like highways. A animals traversing is the largest phrase and can include: underpass tunnels, viaducts, overpasses and bridges, amphibian tunnels, fish ladders, culverts and natural rooftops.

They also assist in preventing mishaps between vehicles and animals, which moreover to killing or damaging animals may cause harm to people and property smash up. In the United States, a large number of animals crossings have been designed in the past 30 years, such as culverts, bridges, and overpasses.

The first animals crossings were designed in France during the 1950's. European countries such as the Netherlands, Switzerland, Germany, and France have been using a range of traversing components to decrease the issue between animals and streets for several years and use a wide range of overpasses and underpasses to secure and improve animals such as: amphibians, badgers, ungulates, invertebrates, and other small animals.

Wildlife crossings are suitable progressively common in North Canada and the United States. Identifiable wildlife crossings are found in Banff Nation Park in Alberta, where vegetated overpasses give safe passing over the Trans-Canada Highway for bears, moose, deer, wolves, elk, and many other range.